96 senior mechanical engineer jobs found

Senior Mechanical Engineer Amentum is a global leader in advanced engineering and innovative solutions, supporting critical missions across defense, intelligence, energy, and civilian sectors. Our people are our competitive advantage, driven by purpose, collaboration, and a commitment to delivering excellence for our customers and communities. We are currently seeking a Senior Mechanical Engineer to support our Projects . Description: As a senior-level mechanical engineer, you will serve as a technical leader responsible for the design, coordination, and delivery of building mechanical systems for industrial and government facilities. This role includes oversight of HVAC, plumbing, and piping system designs; leadership of mechanical engineering teams; and accountability for technical quality and compliance throughout the project lifecycle. The successful candidate will work closely with project management, discipline leads, and clients to deliver fully coordinated,...

Pioneering Carbon Conversion and Renewable Energy Systems Location: Franklin, TN (On-Site) Type: Full-Time Experience Level: Mid to Senior Join Enexor BioEnergy Located just outside Nashville, TN, Enexor is a fast-moving early-stage climate tech company building small-scale, waste-to-value systems that convert organic and plastic waste into renewable energy and high-purity CO₂. We're not just innovating-we're disrupting the status quo. Why Join Us? Mission-first impact: Help turn waste and emissions into energy and carbon-negative value streams. Hands-on innovation: Engineers here don't just design-they build, test, iterate, and deploy real systems. People over process: We move fast, cut red tape, and trust smart, driven individuals to take ownership. High-value team: We hire the best; we challenge each other; we win together. If you're ready to move beyond the drawing board and make real-world impact, come help shape the future of distributed energy and carbon...

Job Description Overview We are seeking a Senior Piping Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, TN office and offers the opportunity to contribute to innovative nuclear and commercial projects. The ideal candidate is an experienced engineering professional with deep expertise in piping system design, analysis, and implementation, and a passion for delivering safe, high-quality engineering solutions. Your role This role requires a senior experienced mechanical or process engineering professional responsible for design, layout, installation, and maintenance of piping systems and associated supports. This role will support the overall design and analysis of mechanical components, systems and piping designs for nuclear and commercial projects. Creates detailed engineering drawings, P&IDs, and 3D models for piping routes, equipment, placement, and plant setup. Performs a variety of engineering...

Job Description Overview We are seeking a Senior Structural Engineer to join our team in a fully remote capacity. This position is aligned with our Oak Ridge, Tennessee office and offers the opportunity to contribute to complex nuclear and commercial infrastructure projects. The ideal candidate is an experienced structural engineering professional with a strong technical background, demonstrated expertise in structural design and analysis, and a commitment to delivering safe, innovative, and high-quality engineering solutions. Your role Responsible for designing, developing, testing, and overseeing the construction and maintenance of infrastructure projects. Responsible for the overall design and analysis of safety and non-safety related structures for nuclear and commercial projects. Regularly interfaces with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for structural design and layouts having a...

Job Description Overview We are seeking an Intermediate Piping Engineer Energy - Remote. This remote position is based out of our Oak Ridge, TN office. Your role Mechanical or Process engineering responsible for design, layout, installation, and maintenance of piping systems and associated supports. Supports the design and analysis of mechanical components, systems and piping designs for nuclear and commercial projects. Creates detailed engineering drawings, P&IDs, and 3D models for piping routes, equipment, placement, and plant setup. Performs a variety of engineering calculations using traditional engineering methods and applicable design codes and regulatory requirements. Will specify piping materials, fittings, valves, and support systems and perform stress analysis using software to ensure structural integrity. (e.g., PipeStress, AutoPipe, MathCAD, GT STRUDL, ANSYS). Prepares technical specifications, requisitions, and vendor recommendations for...

Job Description Overview We are seeking an Intermediate Civil Engineer Energy - Remote. This remote position is based out of our Oak Ridge, TN office. Your role Responsible for designing, developing, testing, and overseeing the construction and maintenance of infrastructure projects. Responsible of design and analysis of safety and non-safety related structures for nuclear and commercial projects. Interfaces with the other technical disciplines (mechanical, nuclear, operations and electrical engineering teams) for structural design and layouts. Applies knowledge and experience, industry best practices, regulatory guidance, codes and standards, and good engineering judgment to ensure the design is compliant with International regulatory criteria and industry best practices. Performs a variety of engineering calculations using traditional engineering methods or Finite Element Analysis (FEA) to document compliance with project and code requirements, which may...

Job Description Overview We are seeking a Senior Process Engineer - Remote. This remote position is based out of our Oak Ridge, TN office. Your role This role requires a senior experienced engineering professional responsible for analyzing, developing, and improving industrial processes. This role will support the overall design and analysis of mechanical components and system designs for nuclear and commercial projects. Collaborate with productions teams, quality control, and other engineers to ensure processes run efficiently and meet safety and regulatory standards having a significant impact on project. Applies extensive knowledge of engineering principles to design products such as chemical engineering systems including reaction vessels, filtration systems, ion-exchange skids, piping and vessel systems. Conversant in the selection of commercially available equipment, which may include pumps, valves, pipe fittings, in-line components and filtration...

At SSR, we're more than a leading engineering design, consulting, and planning firm-we're a team of owners committed to solving complex projects and delivering innovative solutions for facility and infrastructure challenges. With locations across the U.S. and expertise spanning diverse markets and services, our collaborative approach empowers us to build lasting partnerships with each other, our clients, and our communities. We believe high performance and a people-first culture go hand in hand. As an owner from day one, our colleagues thrive in an environment that values accountability, celebrates achievement, and supports personal and professional growth. As owners, we take pride in our work and in each other-driving results while fostering a workplace where everyone feels seen, supported, and inspired. Want to hear directly from our team? Visit http://www.ssr-inc.com/life-at-ssr and explore our culture on LinkedIn and Instagram. What You'll Do As a Mechanical Engineer,...

About Eos Energy Enterprises Eos Energy Enterprises, Inc. is accelerating the shift to American energy independence with positively ingenious solutions that transform how the world stores power. Our breakthrough Znyth™ aqueous zinc battery was designed to overcome the limitations of conventional lithium-ion technology. It is safe, scalable, efficient, sustainable, manufactured in the U.S., and the core of our innovative systems that today provides utility, industrial, and commercial customers with a proven, reliable energy storage alternative for 3 to 12-hour applications. Eos was founded in 2008 and is headquartered in Edison, New Jersey. For more information about Eos (NASDAQ: EOSE), visit eose.com. The Senior Advanced Manufacturing Engineer will work with internal stakeholders and outside contractors to execute projects to support manufacturing scale up. This will require managing medium to large scale projects from concept, through capital funding planning and approval, and...

At Jabil (NYSE: JBL), we are proud to be a trusted partner for the world's top brands, offering comprehensive engineering, supply chain, and manufacturing solutions. With 60 years of experience across industries and a vast network of over 100 sites worldwide, Jabil combines global reach with local expertise to deliver both scalable and customized solutions. Our commitment extends beyond business success as we strive to build sustainable processes that minimize environmental impact and foster vibrant and diverse communities around the globe. JOB SUMMARY The Senior Manufacturing Mechanical Engineer is responsible for leading and advancing Large Form Assembly (LFA) mechanical manufacturing operations by architecting, sustaining, and optimizing mechanical assembly processes. This role provides senior-level technical leadership in the development of mechanical work instructions, standard operating procedures (SOPs), Design for Assembly (DFA), and Design for Manufacturability (DFM)...

About Us: As a global manufacturer of complex aircraft engine components, Pursuit Aerospace is founded on a commitment to relentless, continuous, operational improvement and extraordinary customer service. We pride ourselves on competitive cost structure, exceptional on-time delivery, and industry-leading quality. The Pursuit family of companies has cultivated long-term relationships with our customers around the world through respect, teamwork, technology, and trust. We are driven to develop industry leading process innovations and manufacturing techniques on behalf of our customers. Our exceptional quality is driven by a deep investment in and the daily practice of continually improving our people, processes, and products. About the Opportunity: The Senior KPO/Continuous Improvement Engineer I is responsible for supporting and leading process improvement initiatives by learning and applying Kaizen tools, principles, and methods to improve the flow of parts, information, and...

Requisition Id 17063 Overview: Oak Ridge National Laboratory is the largest US Department of Energy (DOE) science and energy laboratory, conducting basic and applied research to deliver transformative solutions to compelling problems in energy and security. The Enrichment Systems Engineering Section is seeking a Machine Design Engineer who will support the Enrichment Science and Engineering Division (ESED) within the Isotope Science and Engineering Directorate (ISED) at Oak Ridge National Laboratory (ORNL). ESED serves the nation in two critical areas: advancing enrichment technologies and exploring stable isotope production and applications. The division leverages an elite staff of scientists and engineers with the world-leading capabilities of ORNL to deliver groundbreaking advancements with a variety of applications, from national security to life-saving medical treatments. ESED is the national steward for the research, development, and demonstration of centrifuge technology...

About Us: As a global manufacturer of complex aircraft engine components, Pursuit Aerospace is founded on a commitment to relentless, continuous, operational improvement and extraordinary customer service. We pride ourselves on competitive cost structure, exceptional on-time delivery, and industry-leading quality. The Pursuit family of companies has cultivated long-term relationships with our customers around the world through respect, teamwork, technology, and trust. We are driven to develop industry leading process innovations and manufacturing techniques on behalf of our customers. Our exceptional quality is driven by a deep investment in and the daily practice of continually improving our people, processes, and products. About the Opportunity: The Senior KPO/Continuous Improvement Engineer I is responsible for supporting and leading process improvement initiatives by learning and applying Kaizen tools, principles, and methods to improve the flow of parts, information, and...

Senior Manufacturing Engineer - Finishing Systems Job Posting Location: Lawrenceburg, TN Posting Start Date: 8/21/26 Req Id: 9739 Required Travel: 0 - 10% Remote, Onsite or Hybrid?: Onsite For more than 100 years, Modine has solved the toughest thermal management challenges for mission-critical applications. Our purpose of Engineering a Cleaner, Healthier World™ means we are always evolving our portfolio of technologies to provide the latest heating, cooling, and ventilation solutions. Through the hard work of more than 11,000 employees worldwide, our Climate Solutions and Performance Technologies segments advance our purpose with systems that improve air quality, reduce energy and water consumption, lower harmful emissions, enable cleaner running vehicles, and use environmentally friendly refrigerants. Modine is a global company headquartered in Racine, Wisconsin (U.S.), with operations in North America, South America, Europe, and Asia. For more information about...

Whether you're a recent grad or a seasoned professional, you can experience meaningful career growth at Rosendin. Enjoy a true sense of ownership as you work with a proven industry leader on some of the most exciting and high-profile projects in the nation. We offer a wide range of job opportunities, competitive compensation, full benefits, an Employee Stock Ownership Plan and more. Why Rosendin? Committed. Innovative. Engaged. If you're looking to take your career to the next level and work with some of the best and brightest in the industry, we want to hear from you. Since our founding over 100+ years ago, Rosendin has been driven to positively impact the communities where we live and work. We are an organization built on integrity and we have a culture that empowers people, embraces diversity, and inspires everyone to do their best. As one of the largest EMPLOYEE-OWNED electrical contractors in the United States, you will have the unique benefit of being a shareholder at a...

Overview Job Title: PHMS Engineering Supervisor (INTERNAL) Location: Arnold Air Force Base, TN Job Family Code: O-Engineering Function/Branch: Engineering / Engineering Solutions Directorate: Engineering & Technical Support Position Type: Regular, Full-Time Pay Type: Exempt Grade : L09 (OA0958) Salary Range or Starting Hourly Rate : $ 102,000 - $139,500/ year Overview Beyond New Horizons, LLC (BNH) has an exciting opportunity for a highly qualified PHMS Engineering Supervisor to join the Pressure and Hazardous Material Systems (PHMS) team, part of the Engineering Solutions branch of the Test Operations and Sustainment contract at Arnold Engineering Development Complex, Arnold AFB, TN. The PHMS Engineering Supervisor will be leading an integrated team responsible for certifying and maintaining the mechanical integrity of pressure vessels and piping systems, directly supporting the United States Air Force Test Operations and...

ABOUT THE ROLE We are seeking a Mechanical Design Engineer to support our client in a direct role! This position is full-time and will be based out of Oak Ridge, TN. Responsibilities Support the design, modification, and layout of facility piping systems, performing crucial component sizing for pumps, motors, heaters, blowers, valves, and pressure vessels. Create CREO 3D models and 2D technical drawings Create, update, and redline mechanical/piping drawings, plans, and specifications, ensuring all work complies with code and industry standards. Perform pressure-drop, flow, and basic thermal calculations; assist with steady-state and transient analyses using CFD, FEA, or spreadsheet tools. Conduct pipe-stress and support-structure checks, documenting results for review, and actively participate in hazard analyses, safety reviews, and quality assurance. Prepare ROMs, equipment lists, and technical evaluations to support procurement. Get hands-on with factory...

Job Summary: A Senior Design Engineer is responsible for overseeing the design and development of custom rigging equipment and structural systems tailored to the specific needs of a project. They lead the planning, design, and implementation of new equipment while making sure each design satisfies the needs of the project, adheres to relevant safety standards, and meets required deliverables. The role involves working closely with project and production managers, as well as field experts. The Senior Design Engineer position also involves mentoring junior engineers, contributing to continuous improvement efforts, and driving innovative solutions that enhance operational efficiency, safety, and cost-effectiveness in crane and rigging design projects. Job Requirements: Experience: 5+ years of experience in structural or mechanical equipment design, preferably within the crane, rigging, or heavy lift/transport industry. Certifications: Professional Engineer (PE) license...

JOIN A GLOBAL LEADER IN ADVANCED COMPOSITE MATERIALS Airtech International is a worldwide leader in materials and applications used in the production of advanced composites. We are seeking a Senior Materials Engineer work with our internal technical teams to lead development and validation of high-performance engineered polymers for demanding applications. KEY RESPONSIBILITIES: Identify, evaluate, and select raw material resins based on technical performance requirements for specific applications. Assess technical performance, consistency, and suitability of candidate resins through laboratory and application testing. Optimization of compounded formulas tailored to specific customer and application needs. Partner closely with the manufacturing group to scale formulations effectively from lab to production. Design and execute comprehensive test plans to validate mechanical, thermal, chemical, and processing performance of compounded materials. Analyze test data,...

ATC is looking to hire a mid-senior level Mechanical Design Engineer to create and support custom automation equipment. ATC Automation designs and builds custom automated assembly and test equipment for various industries including transportation, life science, and consumer goods. A Mechanical Design Engineer creates 3D designs and detail drawings of automated assembly and test equipment starting from application concepts and customer specifications. This position requires a high mechanical aptitude to design world class automation with a high level of proficiency. Enjoy a dynamic role with constant variety and challenge-no two machine designs are ever the same. With ATC you will work in a unique team environment. Our team members desire to deliver exceptional projects within budget and schedule while ensuring customer satisfaction. For more information, please visit our website at . This is an onsite, full-time position with the opportunity of professional growth across our...